private static void ChangeQuest(Constants.Difficulty difficulty, Constants.Act act, Constants.Quest quest, bool complete, byte[] rawSaveFile)
{
int offset = Constants.QUESTS_SECTION_OFFSET + GetQuestOffset(difficulty, act, quest);
if (offset == -1)
{
return;
}
if (complete)
{
rawSaveFile[offset] = 0x01; // Quest complete
rawSaveFile[offset + 1] = 0x10; // Quest log animation viewed
if (act == Constants.Act.LordOfDestruction && quest == Constants.Quest.ThirdQuest)
{
// Scroll of resist
rawSaveFile[offset] += 0xC0;
}
}
else
{
rawSaveFile[offset] = 0;
rawSaveFile[offset + 1] = 0;
}
// Allow travel to the next act.
// For Act4, the diablo quest is quest2
if (complete && (quest == Constants.Quest.SixthQuest || (act == Constants.Act.TheHarrowing && quest == Constants.Quest.SecondQuest)))
{
if (act != Constants.Act.TheHarrowing)
{
rawSaveFile[offset + 2] = 1;
}
else
{
rawSaveFile[offset + 4] = 1;
}
}
}
private static int GetQuestOffset(Constants.Difficulty difficulty, Constants.Act act, Constants.Quest quest)
{
int offset = -1;
if (act != Constants.Act.TheHarrowing || quest < Constants.Quest.FourthQuest)
{
offset = 12; // 10 bytes for the quest header, 2 bytes for the act introduction
offset += (int)difficulty * 96; // choose to the right difficulty
offset += (int)act * 16; // choose to the right act
offset += (int)quest * 2; // choose the right quest
if (act == Constants.Act.LordOfDestruction)
{
offset += 4; // there are additional bytes in act 4
}
}
return(offset);
}
